HIIT stands for High-Intensity Interval Training and is the perfect solution for busy people that have a limited amount of time to train but still want to see results. In HIIT, you push your heart rate to the maximum before having a short rest. The types of exercise may vary, but you need to use every part of your body and work your cardiovascular system hard for HIIT to be effective.
HIIT is meant to be a short and very intense workout. A typical session should last between four minutes and 15 minutes. You are likely to end up with an overuse injury if you try to do long HIIT sessions. To prevent injury, limit sessions to 30 minutes. Don't forget to include long recovery intervals for any sessions over ten minutes.
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